111Rg
Roentgenium
Synthetic
Properties of Roentgenium
- Atomic number (Z)
- 111
- Symbol
- Rg
- Name
- Roentgenium
- Atomic mass
- 280 u
- Period
- 7
- Group
- 11
- Family
- Transition metals
- Classification
- Synthetic
- Electron configuration
- [Rn] 5f¹⁴ 6d¹⁰ 7s¹
About Roentgenium
Roentgenium is a chemical element with symbol Rg and atomic number 111 (atomic mass of about 280 u). It is classified as a synthetic on the periodic table.
On the periodic table, Roentgenium is located in period 7, in group 11, belonging to the transition metals family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Roentgenium is [Rn] 5f¹⁴ 6d¹⁰ 7s¹, which determines how it forms chemical bonds and takes part in reactions.